Śatapatha Brāhmaṇa ("of a hundred paths") 1.4.2.15

1.4.2.15

arāṃ ivāgne nemirdevāṃstvaṃ paribhūrasīti | yathārānnemiḥ sarvataḥ paribhūrevaṃ tvaṃ devāṃtsarvataḥ paribhūrasītyevaitadāha

Further, 'Thou, O Agni! dost encompass the gods, as the felly the spokes;' 'in the same way in which the felly on all sides encompasses the spokes, so dost thou on all sides encompass the gods,' this is what he thereby says.